fix #4657: evpn: fix exit-node with multiple vrf

Currently, if a node is primary exit-node for 1 vrf, and secondary
exit-node for another vrf,

The deny route-map is filtering routes imports for both vrf.

This patch adds filtering only for the vrf's where the node is
secondary.

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

src/PVE/Network/SDN/Controllers/EvpnPlugin.pm

@@ -168,6 +168,7 @@ sub generate_controller_zone_config {
 	if (!$exitnodes_primary || $exitnodes_primary eq $local_node) {
 	    #filter default type5 route coming from other exit nodes on primary node or both nodes if no primary is defined.
 	    my $routemap_config = ();
+	    push @{$routemap_config}, "match evpn vni $vrfvxlan";
 	    push @{$routemap_config}, "match evpn route-type prefix";
 	    my $routemap = { rule => $routemap_config, action => "deny" };
 	    unshift(@{$config->{frr_routemap}->{'MAP_VTEP_IN'}}, $routemap);

src/test/zones/evpn/exitnode/expected_controller_config

@@ -53,6 +53,7 @@ router bgp 65000 vrf vrf_myzone
 exit
 !
 route-map MAP_VTEP_IN deny 1
+ match evpn vni 1000
  match evpn route-type prefix
 exit
 !

src/test/zones/evpn/exitnode_local_routing/expected_controller_config

@@ -38,6 +38,7 @@ router bgp 65000 vrf vrf_myzone
 exit
 !
 route-map MAP_VTEP_IN deny 1
+ match evpn vni 1000
  match evpn route-type prefix
 exit
 !

src/test/zones/evpn/exitnode_snat/expected_controller_config

@@ -53,6 +53,7 @@ router bgp 65000 vrf vrf_myzone
 exit
 !
 route-map MAP_VTEP_IN deny 1
+ match evpn vni 1000
  match evpn route-type prefix
 exit
 !